<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form class="reg" :model="FormData" :rules="formRules" ref="formRef">
        <el-form-item prop="username">
            <el-input v-model="FormData.username" prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <!--prop指向具体验证规则 -->
         <el-form-item prop="password">
            <el-input v-model="FormData.password" prefix-icon="el-icon-lock" placeholder="请输入密码"></el-input>
        </el-form-item>
         <el-form-item prop="repassword">
            <el-input v-model="FormData.repassword" prefix-icon="el-icon-lock" placeholder="请确定密码"></el-input>
        </el-form-item>
        <el-form-item>
             <el-button type="primary" style="width:100%" @click="submitForm">注册</el-button>
             <el-link>去登陆</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data(){
     var samePwd = (rule, value, callback) => {
        if (value === '') {
          callback(new Error('请再次输入密码'));
        } else if (value !== this.FormData.password) {
          callback(new Error('两次输入密码不一致!'));
        } else {
          callback();
        }
      };
    return {
        FormData:{
          username:'',
          password:'',
          repassword:''
        },
        // 表单的校验规则,存储了所有的验证规则
        formRules:{
        username:[
             { required: true, message:'请输入用户名称', trigger: 'blur' },
            { pattern:/^[0-9a-zA-Z]{1,10}$/, message:'请输入字母数字长度1-10', trigger: 'blur' }
        ],
        password:[
             { required: true, message:'请输入密码', trigger: 'blur' },
            { pattern:/^\S{6,15}$/, message:'请输入非空长度6-10', trigger: 'blur' }
        ],
        repassword:[
            { pattern:/^\S{6,15}$/, message:'请输入非空长度6-10', trigger: 'blur' },
            {validator:samePwd , trigger: 'blur'}
        ]
     }
    }
  },
   methods: {
      submitForm() {
        // this.$refs.formRef获取form组件,使用form组件调用validate函数
        this.$refs.formRef.validate(async (valid) => {
            // valid:返回值 true || false
            // 所有校验都通过了,返回的才是true,有一项失败,返回的是false
             console.log(valid);
          if (!valid) return //校验失败
            // 校验通过发送ajax
           const {data:res}= await this.$http.post('/api/reg',this.FormData)
            console.log(res);
            if(res.code!==0){ return this.$message.error(res.message)//注册失败
                //  注册成功
                this.$message.success(res.message)
                //跳转页面 登录页  this.$router.push编程式导航,跳转到登录页
                this.$router.push('/login')
            }
          } 
        );
      },
      
    }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .reg{
        padding:0 25px;
    }

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>